Identification of the pest
| Identification of the pest Eggs – are spherical in shape and creamy white in colour, laid singly Pupa – brown in colour, occurs in soil, leaf, pod and crop debris Adult - light pale brownish yellow stout moth. Forewing grey to pale brown with V shaped speck. Hind wings are pale smoky white with a broad blackish outer margin. Symptoms of damage Skeletinization of leaves – feeding chlorophyll only leaving veins by young larvae Defoliation Feeds flower and green pods In green pods – make circular holes and feed the grains and make empty. | |
| Circular bore hole | |
| Management ETL: 2 early instar larvae/plant 5-8 eggs/plant Pheromone traps for Helicoverpa armigera 12/ha Bird perches 50/ha Hand picking of grown up larvae and blister beetles Ha NPV 1.5 x1012 POB/ha with teepol (1 ml/lit.) Apply any one of the following (Spray fluid 625 ml/ha) Neem seed kernel extract 5% (31.0 kg/ha) twice followed by Neem oil 12.5 lit./ha Phosalone 35 EC 1.25 lit./ha (Note : Insecticide / Ha NPV spray should be made when the larvae were upto third instar) |
- Eggs – are spherical in shape and creamy white in colour, laid singly
- Pupa – brown in colour, occurs in soil, leaf, pod and crop debris
- Adult - light pale brownish yellow stout moth.
- Forewing grey to pale brown with V shaped speck.
- Hind wings are pale smoky white with a broad blackish outer margin.
Symptoms of damage
- Skeletinization of leaves – feeding chlorophyll only leaving veins by young larvae Defoliation
- Feeds flower and green pods
- In green pods – make circular holes and feed the grains and make empty.
Management
- ETL: 2 early instar larvae/plant 5-8 eggs/plant
- Pheromone traps for Helicoverpa armigera 12/ha
- Bird perches 50/ha
- Hand picking of grown up larvae and blister beetles
- Ha NPV 1.5 x1012 POB/ha with teepol (1 ml/lit.)
- Apply any one of the following (Spray fluid 625 ml/ha)
- Neem seed kernel extract 5% (31.0 kg/ha) twice followed by
- Neem oil 12.5 lit./ha
- Phosalone 35 EC 1.25 lit./ha
(Note : Insecticide / Ha NPV spray should be made when the larvae were upto third instar)